DTC Logic

Diagnosis Procedure
1.CHECK USB HARNESS
Visually check USB harness.
U1243 display unit
U1255 satellite radio tunerStop lamp
Wiring Diagram
...
Interior room lamp control system
System Diagram
System Description
OUTLINE
Interior room lamps* are controlled by interior room lamp timer
control function of BCM.
*:Front room/map lamp assembly, foot lamps and
rear personal lamps (when front room/map lamp assembly switch is in DOOR
position).
Trunk room lamp is ...
Diagnosis system (meter)
Diagnosis Description
SELF-DIAGNOSIS MODE
Odo/trip meter and information display segment operation can be
checked in self-diagnosis mode.
Meters/gauges can be checked in self-diagnosis mode.
OPERATION PROCEDURE
Turn the ignition switch OFF.
While pushing the odo/trip meter switch, ...